QSLH-10，高壓空氣減壓閥
華德型插裝式單向閥S15A22B/ S15A31B/,S15A32B/ S15A51B/ S15A52B/無錫油研品牌
力士樂型S單向閥S20A01B/ S20A02B/ S20A11B/ S20A12B/ S20A21B/ 無錫油研品牌
力士樂型S管式單向閥S20A22B/ S20A31B/,S20A32B/ S20A51B/ S20A52B/無錫油研品牌
力士樂型s螺紋單向閥S25A01B/ S25A02B/ S25A11B/ S25A12B/ S25A21B/ 無錫油研品牌
力士樂型單向閥S25A22B/ S25A31B/,S25A32B/ S25A51B/ S25A52B/無錫油研品牌
力士樂型螺紋連接單向閥S30A01B/ S30A02B/ S30A11B/ S30A12B/ S30A21B/ 無錫油研品牌
力士樂型插裝式單向閥S30A22B/ S30A31B/,S30A32B/ S30A51B/ S30A52B/無錫油研品牌
上海立新型S單向閥S6K01.0B/, S6K11.0B/, S6K21.0B/, S6K31.B/, S6K51.0B/無錫油研品牌
上海立新型S管式單向閥S8K01.0B/, S8K11.0B/, S8K21.0B/, S8K31.B/, S8K51.0B/無錫油研品牌
上海立新型s螺紋單向閥S10K01.0B/,S10K11.0B/,S10K21.0B/,S10K31.B/,S10K51.0B/無錫油研品牌
上海立新型單向閥S15K01.0B/,S15K11.0B/,S15K21.0B/,S15K31.B/,S15K51.0B/無錫油研品牌
上海立新型螺紋連接單向閥S20K01.0B/,S20K11.0B/,S20K21.0B/,S20K31.B/,S20K51.0B/無錫油研品牌
上海立新型插裝式單向閥S25K01.0B/,S25K11.0B/,S25K21.0B/,S25K31.B/,S25K51.0B/無錫油研品牌